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Manufacture method of sound box of imitating stone

A manufacturing method and speaker technology, applied to frequency/direction characteristic devices, transducer shells/cabinets/brackets, hollow objects, etc., can solve the problems of falling sound, easy to distort sound quality, easy sound leakage, etc., to improve sound quality and Good fidelity, sound quality and fidelity, not easy to crack and deform

Inactive Publication Date: 2009-05-27
李一明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The rigidity of the box of the wooden speaker is poor, and it is easy to be distorted under the excitation of strong sound waves, which will deteriorate the sound quality, but the wooden speaker is easy to assemble, and the fastening screws are easy to tighten without slipping
The Chinese invention patent application publication specification with the application number 01114254.5 discloses a sound box imitating stone. The publication of the invention patent application discloses an agate speaker box and its manufacturing process. The main components of the speaker are aluminum hydroxide powder, unsaturated polyester resin and cobalt peroxide ethyl zincate. Compared with wooden speakers, although the rigidity and hardness are high, the sound quality is stable, thick and not easy to be distorted, but when the speakers are assembled or the electrical components are fixed on the speakers, there are problems that the fastening screws are easy to slip, and the screws cannot withstand the use in the future. The vibration of strong horn sound waves is easy to fall off, so the existing stone-like speakers have the disadvantage of easy leakage of sound. In addition, the sound quality and fidelity of stone speakers are greatly reduced due to the existence of air holes in natural stone or artificial stone.
How to solve the problem that the fastening screws of imitation stone speakers are easy to slip and fall off, causing sound leakage, and how to eliminate the air holes in the imitation stone materials to further improve the sound quality and fidelity of imitation stone speakers are problems that people hope to solve

Method used

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  • Manufacture method of sound box of imitating stone
  • Manufacture method of sound box of imitating stone
  • Manufacture method of sound box of imitating stone

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] If 80 kg of raw materials are prepared to make box 5, the ingredients can be 32 kg of unsaturated polyester resin, 4 kg of polymer fiber, 42.4 kg of aluminum hydroxide powder, 0.4 kg of accelerator, 0.4 kg of curing agent, and 0.8 kg of defoamer ; Then put the prepared raw materials into the vacuum mixer and stir them fully; pour the stirred mixed raw materials into the box mold, pour and vibrate while pouring the materials; send the mold with the poured raw materials into the vacuum box along the track for vacuuming, vacuum The temperature should reach -0.1 MPa in the vacuum gauge, and the vacuuming time should be about 15 minutes; after the exhaust valve slowly releases the vacuum, send the mold along the track to the oven for heating, and the temperature should be kept at 60-85 temperature, the time should last about 10 minutes, and demould after curing; send the demoulded box 5 to the oven again for high-temperature treatment, and maintain a constant temperature of 8...

Embodiment 2

[0040]If 80 kg of colored raw materials with granules are prepared to make the panel of the speaker, the ingredients can be 32 kg of unsaturated polyester resin, 4 kg of polymer fiber, 8 kg of granules, 0.24 kg of color paste, 34.16 kg of aluminum hydroxide powder, accelerator 0.4 kg, 0.4 kg of curing agent, 0.8 kg of defoamer; then put the prepared raw materials into the vacuum mixer and fully stir; pour the stirred mixed raw materials into the tempered glass mold for making the panel, and level the raw materials; The mold is sent into the vacuum box along the track for vacuuming. The vacuum degree should reach -0.1 MPa in the vacuum gauge, and the vacuuming time needs to be about 15 minutes. The oven is heated, the temperature should be kept at about 60-85 degrees, and the time should last for about 10 minutes. After curing, demould; send the demoulded board to the oven again for high temperature treatment, and maintain a constant temperature of 85 degrees 2.5 hours; the pol...

Embodiment 3

[0043] If 80 kg of colored and luminous raw materials are prepared to make the panel of the speaker, the ingredients can be 32 kg of unsaturated polyester resin, 4 kg of polymer fiber, 0.24 kg of color paste, 0.4 kg of flash gold powder, 41.76 kg of aluminum hydroxide powder, and 0.4 kg of accelerator. kg, 0.4 kg of curing agent, and 0.8 kg of defoamer, and then proceed according to the above-mentioned process steps for making speaker panels. Due to the addition of gold glitter powder, the gold glitter powder will roll along with the vacuumed air bubbles, which can produce sparkling speaker panels with different texture patterns.

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Abstract

Cementing and screw fixing cast shaped objects are prepare for sound box. Weight percent of material constituents for sound box are as following: unsaturated polyester resin 28-60%, macromolecule fiber 1-10%, padding 30-65%, accelerant 0.14-1.2%, solidifying agent 0.14-1.2%, and defoaming agent 1-5%. Macromolecule fiber and preparation procedure including vacuum stirring and vacuumizing after cast makes the sound box possesses advantages: good toughness of material, no air hole inside material, not leaking sound, high sound quality and high fidelity.

Description

technical field [0001] The invention relates to a manufacturing method of a sound box, in particular to a manufacturing method of an imitation stone sound box suitable for indoor and outdoor use. Background technique [0002] There are mainly two kinds of existing speaker materials, traditional wooden materials and stone materials. The rigidity of the box of the wooden speaker is poor, and it is easy to be distorted under the strong sound wave excitation, which will deteriorate the sound quality, but the wooden speaker is easy to assemble, and the fastening screws are easy to tighten without slipping. The Chinese invention patent application publication specification with the application number 01114254.5 discloses a sound box imitating stone. The publication of the invention patent application discloses an agate speaker box and its manufacturing process. The main components of the speaker are aluminum hydroxide powder, unsaturated polyester resin and cobalt peroxide ethyl ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04R1/28H04R1/02C08L67/06B29D22/00B29K667/00
Inventor 李一明
Owner 李一明
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